RealtimeMediaSourceSupportedConstraints.cpp [plain text]
#include "config.h"
#include "RealtimeMediaSourceSupportedConstraints.h"
#if ENABLE(MEDIA_STREAM)
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/AtomicStringHash.h>
namespace WebCore {
const AtomicString& RealtimeMediaSourceSupportedConstraints::nameForConstraint(MediaConstraintType constraint) const
{
static NeverDestroyed<AtomicString> unknownConstraintName(emptyString());
static NeverDestroyed<AtomicString> widthConstraintName("width");
static NeverDestroyed<AtomicString> heightConstraintName("height");
static NeverDestroyed<AtomicString> aspectRatioConstraintName("aspectRatio");
static NeverDestroyed<AtomicString> frameRateConstraintName("frameRate");
static NeverDestroyed<AtomicString> facingModeConstraintName("facingMode");
static NeverDestroyed<AtomicString> volumeConstraintName("volume");
static NeverDestroyed<AtomicString> sampleRateConstraintName("sampleRate");
static NeverDestroyed<AtomicString> sampleSizeConstraintName("sampleSize");
static NeverDestroyed<AtomicString> echoCancellationConstraintName("echoCancellation");
static NeverDestroyed<AtomicString> deviceIdConstraintName("deviceId");
static NeverDestroyed<AtomicString> groupIdConstraintName("groupId");
switch (constraint) {
case MediaConstraintType::Unknown:
return unknownConstraintName;
case MediaConstraintType::Width:
return widthConstraintName;
case MediaConstraintType::Height:
return heightConstraintName;
case MediaConstraintType::AspectRatio:
return aspectRatioConstraintName;
case MediaConstraintType::FrameRate:
return frameRateConstraintName;
case MediaConstraintType::FacingMode:
return facingModeConstraintName;
case MediaConstraintType::Volume:
return volumeConstraintName;
case MediaConstraintType::SampleRate:
return sampleRateConstraintName;
case MediaConstraintType::SampleSize:
return sampleSizeConstraintName;
case MediaConstraintType::EchoCancellation:
return echoCancellationConstraintName;
case MediaConstraintType::DeviceId:
return deviceIdConstraintName;
case MediaConstraintType::GroupId:
return groupIdConstraintName;
}
}
MediaConstraintType RealtimeMediaSourceSupportedConstraints::constraintFromName(const String& constraintName) const
{
static NeverDestroyed<HashMap<AtomicString, MediaConstraintType>> nameToConstraintMap;
HashMap<AtomicString, MediaConstraintType>& nameToConstraintMapValue = nameToConstraintMap.get();
if (!nameToConstraintMapValue.size()) {
nameToConstraintMapValue.add("width", MediaConstraintType::Width);
nameToConstraintMapValue.add("height", MediaConstraintType::Height);
nameToConstraintMapValue.add("aspectRatio", MediaConstraintType::AspectRatio);
nameToConstraintMapValue.add("frameRate", MediaConstraintType::FrameRate);
nameToConstraintMapValue.add("facingMode", MediaConstraintType::FacingMode);
nameToConstraintMapValue.add("volume", MediaConstraintType::Volume);
nameToConstraintMapValue.add("sampleRate", MediaConstraintType::SampleRate);
nameToConstraintMapValue.add("sampleSize", MediaConstraintType::SampleSize);
nameToConstraintMapValue.add("echoCancellation", MediaConstraintType::EchoCancellation);
nameToConstraintMapValue.add("deviceId", MediaConstraintType::DeviceId);
nameToConstraintMapValue.add("groupId", MediaConstraintType::GroupId);
}
auto iter = nameToConstraintMapValue.find(constraintName);
return iter == nameToConstraintMapValue.end() ? MediaConstraintType::Unknown : iter->value;
}
bool RealtimeMediaSourceSupportedConstraints::supportsConstraint(MediaConstraintType constraint) const
{
switch (constraint) {
case MediaConstraintType::Unknown:
return false;
case MediaConstraintType::Width:
return supportsWidth();
case MediaConstraintType::Height:
return supportsHeight();
case MediaConstraintType::AspectRatio:
return supportsAspectRatio();
case MediaConstraintType::FrameRate:
return supportsFrameRate();
case MediaConstraintType::FacingMode:
return supportsFacingMode();
case MediaConstraintType::Volume:
return supportsVolume();
case MediaConstraintType::SampleRate:
return supportsSampleRate();
case MediaConstraintType::SampleSize:
return supportsSampleSize();
case MediaConstraintType::EchoCancellation:
return supportsEchoCancellation();
case MediaConstraintType::DeviceId:
return supportsDeviceId();
case MediaConstraintType::GroupId:
return supportsGroupId();
}
}
}
#endif // ENABLE(MEDIA_STREAM)